<template>
  <div class="block">
    <el-carousel trigger="click" :interval="4000" type="card" height="200px">
      <el-carousel-item v-for="(item,index) in swiperArr" :key="index">
        <img :src="item.imageUrl" alt />
      </el-carousel-item>
    </el-carousel>
  </div>
</template>

<script>
export default {
  data () {
    return {
      swiperArr: null
    }
  },
  methods: {
    async getSwiperArr () {
      const { data: res } = await this.$http.get('/banner')
      this.swiperArr = res.banners
    }
  },
  mounted () {
    this.getSwiperArr()
  }
}
</script>

<style lang="less" scoped>
.el-carousel__item h3 {
  color: #475669;
  font-size: 14px;
  opacity: 0.75;
  line-height: 150px;
  margin: 0;
}

.el-carousel__item:nth-child(2n) {
  background-color: #99a9bf;
}

.el-carousel__item:nth-child(2n + 1) {
  background-color: #d3dce6;
}
img {
  width: 100%;
  height: 200px;
}
</style>
